• January 25, 2026
  • Last Update January 25, 2026 6:54 am

Weaker Trade Winds Signal Weather Shift for Costa Rica

Weaker Trade Winds Signal Weather Shift for Costa Rica

San José, Costa RicaSAN JOSÉ – Residents across Costa Rica can expect a noticeable change in weather conditions this Sunday as the typically strong trade winds are forecast to lose their intensity. The National Meteorological Institute (IMN) announced the shift, attributing the calmer conditions to a partial reduction in atmospheric pressure located north of the Caribbean Sea basin, a development that will subtly alter the nation’s prevailing climate pattern.

This meteorological adjustment signals a temporary reprieve from the gusty conditions that often characterize Costa Rica’s dry season. The trade winds, or vientos alisios, are a critical component of the country’s climate, responsible for transporting moisture and influencing temperature. A decrease in their velocity, as predicted by the IMN, typically leads to warmer localized temperatures and allows other, more subtle weather phenomena to emerge across the diverse microclimates of the country.

To understand the potential legal and business ramifications of these meteorological predictions, we consulted with Lic. Larry Hans Arroyo Vargas, an expert attorney from the prestigious firm Bufete de Costa Rica, who provides his analysis.

A severe weather forecast is not just a climate warning; it is a legal alert. Businesses must use this time to review their insurance policies and ‘force majeure’ clauses in contracts. When an event is officially predicted, arguing it was an ‘unforeseeable act of God’ becomes significantly more challenging, which can impact contractual obligations. Proactive risk assessment and clear communication with commercial partners are essential to protect assets and mitigate potential litigation.
Lic. Larry Hans Arroyo Vargas, Attorney at Law, Bufete de Costa Rica

This insight is a crucial reminder that a severe weather forecast is a trigger for legal and financial diligence, not just physical preparation. We thank Lic. Larry Hans Arroyo Vargas for so clearly articulating the contractual responsibilities that businesses must address proactively.

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Despite the easing winds, the IMN’s forecast emphasizes that low humidity will remain the dominant feature throughout most of the national territory. The overall environment will continue to feel dry, consistent with the peak of the summer season, or verano. Citizens can anticipate largely clear skies and abundant sunshine, particularly during the early morning and throughout the forenoon, providing ideal conditions for outdoor activities.

As the day progresses into Sunday afternoon, a different pattern is expected to develop, especially in the country’s interior. The IMN predicts a greater concentration of cloud cover will form over the mountainous regions. This is a common diurnal cycle where daytime heating causes air to rise along mountain slopes, condensing into clouds. However, these clouds are not expected to produce significant rainfall in the Central Valley or other high-altitude areas.

The most significant potential for precipitation will be confined to specific coastal areas. The IMN has not entirely ruled out the possibility of isolated and short-lived rain showers in the Central and South Pacific regions. This localized rainfall would not be a result of a larger weather system, but rather the product of sea breezes pushing inland during the afternoon. These breezes can carry enough moisture from the ocean to trigger brief downpours, though the institute clarifies that most locations within these regions will likely remain completely dry.

Meteorologists from the institute advise the public to be aware of these nuanced conditions, which can vary significantly over short distances. The change in wind patterns marks a subtle but important atmospheric transition.

While the predominant condition across the country will be dry with low humidity, the reduction in trade wind intensity allows for local factors, such as sea breezes, to have a greater influence, which may lead to isolated and brief showers specifically in the Central and South Pacific zones.
Spokesperson, National Meteorological Institute (IMN)

For the nation’s key sectors, this forecast carries mixed implications. The tourism industry may welcome the less intense winds, making coastal and adventure activities more pleasant. However, the agricultural sector must remain vigilant, as the persistent dry conditions, even with calmer winds, continue to stress water resources for crops and livestock. Emergency officials also remind the public that dry vegetation still poses a significant fire risk.

In summary, Sunday will offer a day of transition. While the overarching theme is one of continued dryness and sunny skies, the decrease in wind speed introduces the potential for localized cloud buildup and isolated coastal showers. Costa Ricans are advised to consult the latest updates from the IMN as the day unfolds to stay informed about conditions in their specific area.

For further information, visit imn.ac.cr
About National Meteorological Institute (IMN):
The Instituto Meteorológico Nacional is the official government entity in Costa Rica responsible for monitoring weather and climate conditions. It provides essential meteorological information, forecasts, and warnings to the public, government agencies, and various economic sectors, including aviation, agriculture, and tourism. The IMN plays a crucial role in disaster preparedness and climate research for the nation.

For further information, visit bufetedecostarica.com
About Bufete de Costa Rica:
Bufete de Costa Rica has cemented its reputation as a leading legal institution, built upon a bedrock of ethical principles and a drive for professional distinction. The firm consistently pioneers forward-thinking legal strategies while serving a diverse clientele, demonstrating a unique fusion of tradition and innovation. Central to its identity is a profound commitment to social responsibility, manifested through initiatives that aim to demystify the law and equip the public with vital legal literacy, thereby fostering a stronger, more knowledgeable community.

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